And they keep you warm. Long Johns have been my secret weapon to getting through the winter months ever since my days as a downhill ski racer. And I wear them to this day. I have tried many kinds, here is my breakdown of my two go-to brands that work. They both fit snugly so they are perfect under any slim fit pants. If you want extra warmth – you should go with a sports brand of long johns meant for winter sports – they are often bulkier though. And not as cute.
Unqilo Heatech – these babies are warm and cheap. I own multiple pairs in multiple patterns and the fit is great. $15
2(x)ist Long Underwear. Not as warm as heat tech from Uniqlo but sexier marketing. A little bit higher price point. $22
Note: I have tried UnderArmour and found them no warmer and long in the leg. Calvin Klein long johns are overpriced and ill fitting.